Home / 49,728.20-74,592.30-34,176.20

Finding the Fourth Proportional to 49,728.20, 74,592.30 and 34,176.20

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Solution

The fourth proportional to 49,728.20, 74,592.30 and 34,176.20 is: 51,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,728.20 : 74,592.30 = 34,176.20 : x
  2. Step 2: Convert to fraction form
    49,728.20/74,592.30 = 34,176.20/x
  3. Step 3: Cross multiply
    49,728.20x = 74,592.30 × 34,176.20
  4. Step 4: Simplify right side
    49,728.20x = 2,549,281,363.26
  5. Step 5: Solve for x
    x = 2,549,281,363.26/49,728.20
  6. Step 6: Final answer
    x = 51,264.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.